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All results from a given calculation for H2OCH3OH (water methanol dimer)

using model chemistry: HF/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311+G(3df,2pd)
 hartrees
Energy at 0K-191.156269
Energy at 298.15K-191.161561
Counterpoise corrected energy-191.155837
CP Energy at 298.15K-191.161053
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy78.468967
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/6-311+G(3df,2pd)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 4226 3828 138.20      
2 A 4193 3799 71.90      
3 A 4088 3704 239.17      
4 A 3260 2953 31.05      
5 A 3206 2904 57.91      
6 A 3155 2858 62.02      
7 A 1772 1605 74.10      
8 A 1631 1477 5.30      
9 A 1622 1470 3.55      
10 A 1611 1459 6.18      
11 A 1482 1342 41.53      
12 A 1282 1162 2.33      
13 A 1162 1053 142.64      
14 A 1159 1050 18.75      
15 A 572 519 106.81      
16 A 345 313 104.37      
17 A 284 257 113.23      
18 A 148 134 2.26      
19 A 109 99 124.20      
20 A 51 46 14.68      
21 A 41 38 9.67      

Unscaled Zero Point Vibrational Energy (zpe) 17698.7 cm-1
Scaled (by 0.906) Zero Point Vibrational Energy (zpe) 16035.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/6-311+G(3df,2pd)
ABC
1.14346 0.11886 0.11115

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2pd)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.323 0.095 0.031
O2 2.223 -0.183 0.105
O3 -0.671 0.588 -0.078
H4 2.635 0.041 -0.709
H5 -0.946 1.338 0.416
C6 -1.633 -0.430 0.002
H7 -2.578 -0.117 -0.427
H8 -1.258 -1.270 -0.562
H9 -1.793 -0.746 1.027

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.94502.05721.50732.61563.00203.93282.97943.3780
O20.94503.00090.93933.52893.86494.83033.70734.1592
O32.05723.00093.41030.93901.40292.06202.00802.0640
H41.50730.93933.41033.97134.35245.22284.11094.8213
H52.61563.52890.93903.97131.94162.34262.80312.3315
C63.00203.86491.40294.35241.94161.08401.07911.0839
H73.93284.83032.06205.22282.34261.08401.75781.7672
H82.97943.70732.00804.11092.80311.07911.75781.7566
H93.37804.15922.06404.82132.33151.08391.76721.7566

picture of water methanol dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 106.257 H1 O3 H5 116.559
H1 O3 C6 119.158 O2 H1 O3 176.418
O3 C6 H7 111.379 O3 C6 H8 107.289
O3 C6 H9 111.557 H5 O3 C6 110.443
H7 C6 H8 108.711 H7 C6 H9 109.205
H8 C6 H9 108.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.305      
2 O -0.419      
3 O -0.596      
4 H 0.122      
5 H 0.120      
6 C 0.417      
7 H 0.013      
8 H 0.020      
9 H 0.017      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.881 0.990 -0.625 3.110
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.926 1.134 -5.246
y 1.134 -18.306 1.425
z -5.246 1.425 -19.106
Traceless
 xyz
x -1.220 1.134 -5.246
y 1.134 1.210 1.425
z -5.246 1.425 0.010
Polar
3z2-r20.020
x2-y2-1.620
xy1.134
xz-5.246
yz1.425


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.270 0.126 -0.082
y 0.126 3.852 0.043
z -0.082 0.043 3.622


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000